spoke to bnb, page-10

Ok here we go:

"A written promise from a client or customer to pay a definite amount of money on a specific future date is called a note receivable. Such notes can arise from a variety of circumstances, not the least of which is when credit is extended to a new customer with no formal prior credit history. The lender uses the note to make the loan more formal and enforceable. Such notes typically bear interest charges. The maker of the note is the party promising to make payment, the payee is the party to whom payment will be made, the principal is the stated amount of the note, and the maturity date is the day the note will be due."

Also if you think about it BNBG are both an asset and a liability i.e. the company gets 600m cash and owes 600m so they should cancel each other out.

In any case bar some weird agreement between BBIPL and BNB I doubt those notes receivable are BNBGs.